Celotex TB4000

Product Features

  • Lightweight 2400 x 1200mm boards
  • Low emissivity foil facing
  • BBA certified – certificate 17/5405 (Pitched Roof, Dry Lining, Floor Insulation)

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Celotex TB4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 20mm to 40mm, it can be considered for floor, wall and roof applications.

Thickness (mm) Length (mm) Width (mm) Lambda Value (W/m.K) R-Value (m².K/W)
20 2400 1200 0.022 0.90
25 2400 1200 0.022 1.10
30 2400 1200 0.022 1.35
35 2400 1200 0.022 1.55
40 2400 1200 0.022 1.80

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